US Bridges

Twin Rivers RD over Over BNSF RR

Good

Lee County, Iowa · 000000000 · Structure no. 000000000504260

Built
1994
31 years old
Condition
Good
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
306 ft
3 main spans
Daily traffic
820
2022 count
Owner
City
City or Municipal Highway Agency

About this bridge

Twin Rivers RD over Over BNSF RR is a steel continuous stringer/multi-beam or girder carrying Twin Rivers RD over Over BNSF RR in Lee County, Iowa. It was built in 1994, so it is 31 years old, younger than the Iowa average of 45.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 820 vehicles a day, projected to reach 820 by 2044. The structure is 306 ft (93.3 m) long and 31 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesTwin Rivers RD
CrossesOver BNSF RR
Location000000000
RouteCity Street 0
CountyLee County
StateIowa
Coordinates40.38589, -91.42626
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating71.1 US tons
Inventory rating42.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length306 ft (93.3 m)
Longest span118 ft (36 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2022)
Projected traffic820 by 2044
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Twin Rivers RD over Over BNSF RR built?

It was built in 1994, making it 31 years old in 2025.

What condition is Twin Rivers RD over Over BNSF RR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2024.

How much traffic does Twin Rivers RD over Over BNSF RR carry?

About 820 vehicles per day (2022 count).

How long is Twin Rivers RD over Over BNSF RR?

The structure is 306 ft (93.3 m) long with a longest span of 118 ft (36 m) and a deck 31 ft wide.

Who owns Twin Rivers RD over Over BNSF RR?

It is owned by the City or Municipal Highway Agency.